Intro music provided by one of these;
Silent Partner – Fortunate Note
Noir Et Blanc Vie – Brighton Lights
John Deley & the 41 Players – Heat Wave
Doug Maxwell – Psychedelicacy
Big Blues by Audionautix is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/
Antenna Modeling for Beginners - Elevated Radials (Part4)
In this episode we take the ground mounted vertical from Part 3 and add elevated radials to see how the antenna behaves.
Using MMANA-GAL, we model a simple vertical and experiment with different radial configurations to see how they affect the far-field radiation pattern.
In this video we:
• Start with a basic ground mounted vertical
• Add two elevated radials
• Compare radiation patterns using the Compare function
• Add additional radials and experiment with geometry
• Raise the antenna and slope the radials downward
• Observe how the low-angle radiation changes
The goal here isn’t deep theory – it’s learning how to draw the antenna and observe what happens when you change the geometry.
You’ll also see how elevated radials can slightly improve low-angle radiation, which is important for DX performance.
In the next episode we’ll move on from verticals and start looking at loop antennas.
Thank you 3Y0K Bouvet Island for Calling In | M0XXT
Thanks to Regin (OY1R) and Stian (LB5SH) for arranging this. You may have heard them previously calling in to my streams with their home calls in the past. With the help of WhatsApp to get a sked, we made it. Just for fun guys, I don’t really collect DX Entities.
It takes a whole community to make these things happen and everyone should be proud, the operators, the major sponsors and of course the small donations from the average ham. I know it goes a long way.
You can hear Stian calling me as 3Y/LB5SH and that starts here:
I have to say, the team this time around have done an awesome job. I think they almost cleared 100,000 QSOs and a great boost and focus for many.
Connect Your Meshtastic Device: Step-by-Step App Guide #shorts
Seamlessly connect your tablet to a Meshtastic device. Follow these steps to establish a connection and check firmware versions. Enjoy enhanced communication capabilities.
We’re going POTA active tonight from the beach! Lets see what it’s like to setup the antenna, radio and activate the park! Not including coax, this antenna is $78.01 on Amazon.
https://testwithhrcc.online/
Recommendations from the show:
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► DISCLAIMER
This video is for entertainment purposes only and is not intended to take the place of the owner’s or service manual for this device. Always check for overhead and underground power lines before setting up an antenna!
Shawn, KB4KGB, asks Dave for his opinion on a practical mobile installation for NVIS. Is such a setup possible on a mobile environment?
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Links from Video:
DX Engineering NVIS Paper: (3:50)
https://static.dxengineering.com/global/images/instructions/WP-NVIS-Rev3.pdf
Videographed and Edited by Teagan Kulbeth, KF0UTR
#amateur radio
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#extra license
#ham radio training
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#dave casler
#ham radio answers
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To learn more about me, visit: https://dcasler.com
To support my channel financially, visit: https://dcasler.com/support (offers several options)
To pose an Ask Dave question, email to askdave@arrl.org. Feel free to include pictures or drawings to help clarify. I may answer your question directly, via an Ask Dave video, or in my monthly column "Ask Dave" in QST.
Theme music is "Sour Tennessee Red," by John Deley and the 41 Players, courtesy YouTube Music Library. You can listen to the entire song here: https://youtu.be/Vfc9sAQjJtc
I use drawings from OpenClipArt.org, including the "walking man"
Thanks to my sweet wife, Loretta, KBØVWW, for both audio and video assistance! (Her website is www.aldea-art.com.)
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My Amazon author page, which lists my print and Kindle books: http://www.amazon.com/-/e/B00471I0Q4.
In this video, we break down the latest FCC enforcement action against an Illinois CB radio operator cited for "broadcasting" on Channel 19. Robert Delgado of Chicago Ridge, IL, received a Notice of Unlicensed Operation from the FCC’s Chicago office after agents confirmed his station was transmitting one-way broadcasts, playing music, and causing harmful interference to other CB users on 27.185 MHz last summer (August 2025).
This isn’t his first run-in with the FCC—he was previously cited eight years ago for unlicensed operation on amateur radio frequencies. The article also touches on a troubling history from over two decades ago involving serious criminal charges tied to CB radio misuse.
Read the full story from National Communications Magazine (NatComMag): https://natcommag.substack.com/p/cb-radio-illinois-cber-cited-for?publication_id=1542473&post_id=189324341&isFreemail=false&r=22awqa&triedRedirect=true
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